Inventor
Wentao Long
Inventor
Sichuan, CN
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating27%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications16%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%
F21VFunctional features or details of lighting devices or systems thereof5%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted5%
H02HEmergency protective circuit arrangements5%
A01DHarvesting3%
B60GVehicle suspension arrangements3%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology3%
PatentTitleYear
10,953,715Riding mower trailing arm suspension system20219,982,876Ultrathin LED light engine20189,920,916'Card type LED driver and transportation means with card type driver'20189,860,958'Dimming drive circuit of alternating current directly-driven LED module'20189,819,195'Multipath current source switching device'20179,775,206'LED AC drive circuit'20179,565,724'Alternating current rectifying circuit and alternating current rectifying method for driving LED module'20179,485,829'Alternating current rectifying circuit and alternating current rectifying method for driving LED module'20169,485,821'LED lighting drive circuit'20169,386,639'White LED light emitting device driven directly by constant alternating current'20169,320,104'Alternating current rectifying circuit and alternating current rectifying method for driving LED module'20169,237,626'Dimming drive circuit of alternating current directly-driven LED module'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016–2018Patents assigned to SICHUAN SUNFOR LIGHT CO LTD (11)· patent assignee history
2016Patents assigned to UNIV ELECTRONIC SCIENCE & TECH CHINA (1)· patent assignee history
2016–2018Based in Sichuan, CN· patent location history
2017Patents assigned to UNIV ELECTRONIC SCI & TECH CHINA (1)· patent assignee history
2018Based in Chengdu, CN· patent location history
2021Patents assigned to BAD BOY INC (1)· patent assignee history
2021Patents assigned to BAD BOY MOWERS LLC (1)· patent assignee history
2021Based in Batesville, AR, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SICHUAN SUNFOR LIGHT CO LTD | 11 | 2016–2018 |
| BAD BOY INC | 1 | 2021 |
| BAD BOY MOWERS LLC | 1 | 2021 |
| UNIV ELECTRONIC SCI & TECH CHINA | 1 | 2017 |
| UNIV ELECTRONIC SCIENCE & TECH CHINA | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sichuan, CN | 10 | 2016–2018 |
| Batesville, AR, US | 1 | 2021 |
| Chengdu, CN | 1 | 2018 |